The compact and easy-to-use multi-functional speedlight for Nikon digital SLR cameras. LCD and layout of controls designed for easy and intuitive operation. Power zoom function covers wide 24-120mm zoom range. Three illumination patterns–standard, center-weighted and even available to match every shooting environment. Automatically detects Nikon FX and Nikon DX formats and selects suitable light distribution angle. Quick wireless control mode allows control of remote flash unit groups A and B flash output level ratios. Firmware updates via Nikon digital SLR cameras. It automatically detects increases in flash head temperature and controls recycling time accordingly, thus preventing overheating. Automatically detects type of hard-type color compensation filter (fluorescent and incandescent) and automatically transmits filter information to camera for optimum white balance setting. Optional water guards WG-AS1 (for D3 series), WG-AS2 (for D300 series) and WG-AS3 (for D700) to protect camera's accessory shoe contact when SB-700 is mounted on a Nikon digital SLR camera.